1445063674 has 4 divisors (see below), whose sum is σ = 2167595514. Its totient is φ = 722531836.

The previous prime is 1445063671. The next prime is 1445063687. The reversal of 1445063674 is 4763605441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1284864025 + 160199649 = 35845^2 + 12657^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1445063671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361265917 + ... + 361265920.

Almost surely, 2^1445063674 is an apocalyptic number.

1445063674 is a deficient number, since it is larger than the sum of its proper divisors (722531840).

1445063674 is an equidigital number, since it uses as much as digits as its factorization.

1445063674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722531839.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 1445063674 is about 38013.9931341079. The cubic root of 1445063674 is about 1130.5653249801.

The spelling of 1445063674 in words is "one billion, four hundred forty-five million, sixty-three thousand, six hundred seventy-four".